Pith Number

pith:JPW22OHA

pith:2007:JPW22OHA6TZAN5F2NP4ERMTAEB

not attested not anchored not stored refs pending

Application of a curvature adjusted method in image segmentation

D. Sevcovic, M. Benes, M. Kimura, P. Paus, S. Yazaki, T. Tsujikawa

arxiv:0712.2334 v1 · 2007-12-14 · math.NA · cs.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JPW22OHA6TZAN5F2NP4ERMTAEB}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-06-03T22:06:03.614245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bedad38e0f4f206f4ba6bf848b2602046b28239a4d4cde192e69e6dcfe6cd5a

Aliases

arxiv: 0712.2334 · arxiv_version: 0712.2334v1 · doi: 10.48550/arxiv.0712.2334 · pith_short_12: JPW22OHA6TZA · pith_short_16: JPW22OHA6TZAN5F2 · pith_short_8: JPW22OHA

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/JPW22OHA6TZAN5F2NP4ERMTAEB \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 4bedad38e0f4f206f4ba6bf848b2602046b28239a4d4cde192e69e6dcfe6cd5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d50caca08fa95a25a01573717e9cc4de40735a87960912ad7691e3ea94c261fa",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "",
    "primary_cat": "math.NA",
    "submitted_at": "2007-12-14T12:24:30Z",
    "title_canon_sha256": "10bc93b6cf4120a4a00d9db4b4893b91d034f3b22dfa0f7b77b9d12bd2fa03cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0712.2334",
    "kind": "arxiv",
    "version": 1
  }
}